Reinforced concrete hollow core. Hollow-core reinforced concrete floor slabs

29.07.2018

INTERSTATE COUNCIL FOR STANDARDIZATION, METROLOGY AND CERTIFICATION

INTERSTATE

STANDARD

Reinforced concrete floor slabs

MULTI-VACUUM FOR BUILDINGS AND STRUCTURES

Technical conditions

Official edition

SSH1LTTM | fP [M

GOST 9561-2016

Foreword

The goals, basic principles and basic procedure for carrying out work on interstate standardization are established in GOST 1.0-2015 “Interstate standardization system. Basic provisions "and GOST 1.2-2015" Interstate system of standardization. Interstate standards. rules and recommendations for interstate standardization. Development rules, acceptance. updates and cancellations "

Information about the standard

1 DEVELOPED by Joint Stock Company TsNIIEP Housing - Institute for Integrated Design * of Residential and Public Buildings (JSC TsNIIEP Housing)

2 INTRODUCED by the Technical Committee for Standardization TK465 "Construction"

3 ADOPTED by the Interstate Council for Standardization, Metrology and Certification (Minutes * dated October 25, 2016 No. 92-P)

4 By order of the Federal Agency for Technical Regulation and Metrology dated November 18, 2016 No. 1709-st, the interstate standard GOST 9561-2016 was put into effect as a national standard Russian Federation from June 1, 2017

5 REPLACE GOST 9561-91

Information about changes to this standard is published in the annual information index "National Standards", and the text of changes and amendments is published in the monthly information index "National Standards". In case of revision (replacement) or cancellation of this standard, the corresponding notice will be published in the monthly information index "National Standards". Relevant information, notice and texts are also posted in the public information system - on the official website of the Federal Agency for Technical Regulation and Metrology on the Internet (wviw.gost.fu)

In the Russian Federation, this standard cannot be reproduced in whole or in part. replicated and distributed as an official publication without permission of the Federal Agency for Technical Regulation and Metrology

GOST 9561-2016

1 area of \u200b\u200buse............................................... ..................one

3 Terms and definitions .............................................. ................ 2

4 Technical requirements ............................................... ............... 3

5 Rules for acceptance of plates .............................................. ................eleven

6 Control methods ............................................... ....................eleven

7 Transport and storage .............................................. .........12

Appendix A (reference) List of standard sizes and series of working drawings for slabs of mass

applications ................................................. ...........thirteen

Bibliography................................................. ......................eighteen

GOST 9561-2016

INTERSTATE STANDARD

REINFORCED CONCRETE MULTI-CAPACITIES FOR BUILDINGS AND STRUCTURES

Technical conditions

Reinforced concrete multiholow panels for floors in buildings and constructions. Specifications

Introduction date - 2017-06-01

1 area of \u200b\u200buse

This standard establishes the main parameters of the plates, the general technical requirements for them. general rules for their acceptance, methods of control and testing, transportation and storage rules.

This standard applies to reinforced concrete hollow-core slabs made of heavy, light and dense silicate concrete (hereinafter referred to as slabs) and intended for the bearing part of the floors of buildings and structures for various purposes.

Plates are used in accordance with the instructions of the working drawings of the plates and additional requirements. negotiated when ordering these designs.

The requirements of this standard are fundamental in the development of new and revision of existing standards, technical specifications, typical project documentation on slabs of specific types.

2 Normative references

This standard uses normative references to the following interstate standards:

GOST 5781-82 Hot-rolled steel for reinforcing reinforced concrete structures. Technical conditions

GOST 6727-80 Cold-drawn low-carbon steel wire for reinforcing reinforced concrete structures. Technical conditions

GOST 7348-81 Carbon steel wire for reinforcement of prestressed reinforced concrete structures. Technical conditions

GOST 7473-2010 Concrete mixtures. Technical conditions

GOST 8828-94 Prefabricated reinforced concrete and concrete building products. Loading test methods. Rules for assessing strength, stiffness and crack resistance

GOST 10060-2012 Concrete. Methods for determining frost resistance

GOST 10180-2012 Concrete. Methods for determining the strength of control samples

GOST 10181-2014 Concrete mixtures. Test methods

GOST 10884-94 Reinforcing steel thermomechanically hardened for reinforced concrete structures. Technical conditions

GOST 10922-2012 Reinforcement and embedded products, their welded, knitted and mechanical joints for reinforced concrete structures. General specifications

GOST 12730.0-78 Concrete. General requirements to methods for determining density, humidity, water absorption. porosity and waterproofness

Official edition

GOST 9561-2016

GOST 12730.1-78 Concrete. Density determination methods

GOST 12730.5-84 Concrete. Methods for determining water resistance

GOST 13015-2012 Concrete and reinforced concrete products for construction. General technical requirements. Rules for acceptance, marking, transportation and storage GOST 13840-68 Reinforcing steel ropes 1x7. Specifications GOST 14098-91 Welded joints of reinforcement and embedded products of reinforced concrete structures. Types, designs and sizes

GOST 17623-87 Concrete. Radioisotope method for determining the average density GOST 17624-2012 Concrete. Ultrasonic method for determining strength GOST 17625-83 Reinforced concrete structures and products. Radiation method for determining the thickness of the protective layer of concrete, the size and location of reinforcement GOST 18105-2010 Concrete. Rules for control and assessment of strength

GOST 22362-77 Reinforced concrete structures. Methods for measuring the tensile force of reinforcement GOST 22690-2015 Concrete. Determination of strength by mechanical methods of non-destructive testing

GOST 22904-93 Reinforced concrete structures. Magnetic method for determining the thickness of the concrete cover and the location of the reinforcement

GOST 23009-2015 Prefabricated concrete and reinforced concrete structures and products. Symbols (brands)

GOST 23858-79 Butt welded joints and T-shaped reinforcement of reinforced concrete structures. Ultrasonic quality control methods. Acceptance rules

GOST 25214-82 Dense silicate concrete. Specifications GOST 25697-83 Reinforced concrete slabs of balconies and loggias. General specifications GOST 25820-2014 Light concretes. Specifications GOST 26134-84 Concrete. Ultrasonic method for determining frost resistance GOST 26433.0-85 System for ensuring the accuracy of geometric parameters in construction. Measurement rules. General Provisions

GOST 26433.1-89 System for ensuring the accuracy of geometric parameters in construction. Measurement rules. Prefabricated elements

GOST 26633-2012 Heavy and fine-grained concrete. Technical conditions

Note - When using this standard, it is advisable to check the validity of reference standards in the public information system - on the official website of the Federal Agency for Technical Regulation and Metrology on the Internet or according to the annual information index "National Standards", which was published as of January 1 of the current year, and on the issues of the monthly information index "National Standards" for the current year. If the reference standard is replaced (changed), then when using this standard, the replacing (modified) standard should be followed. If the reference standard is canceled without replacement, then the provision in which the reference to it is given applies to the extent not affecting this reference.

3 Terms and definitions

The following terms are used in this standard with the corresponding definitions:

3.1 slab: large flat element building structureperforming carriers. enclosing or combined - bearing and enclosing, as well as thermal engineering, soundproofing functions.

3.2 slab: A horizontal internal load-bearing structure in a building that separates the floors.

3.3 reinforced concrete floor slab: A slab reinforced with working reinforcement, the strength of which in the operation stage is ensured by the joint work of concrete and reinforcement (except for working reinforcement specified in the definition of the term "concrete panel").

3.4 hollow-core floor slab: Reinforced concrete floor slab, in the body of which there are core-formers - punches located with a certain pitch parallel to the long side of the slab.

3.5 slab without formwork: Reinforced concrete hollow-core slab made by bench molding technology without the use of formwork forms.

GOST 9561-2016

3.6 single layer floor: Floor. consisting of a coating - linoleum on a heat * and sound-insulating base, laid directly on the floor slabs or on the leveling screed.

3.7 single-layer floor on a leveling screed: Floor. consisting of a coating - linoleum on a heat * and soundproof base, laid on a leveling screed, laid directly on the floor slabs.

3.8 floating floor: Floor. consisting of a covering, a rigid base in the form of a monolithic or prefabricated screed and a continuous soundproof layer of resilient * soft or loose materials, laid on floor slabs.

3.9 hollow floor: Floor. consisting of a hard surface on the logs and soundproofing pads. laid on floor slabs.

3.10 hollow-free laminated floor: A floor consisting of a hard surface and a thin zeological insulation layer, laid directly on the floor slabs or on the leveling screed.

4 Technical requirements

4.1 Plates should be manufactured in accordance with the requirements of this standard and technological documentation approved by the manufacturer. according to working drawings of typical designs or projects of buildings or structures (see Appendix A).

It is allowed, by agreement between the manufacturer and the consumer, to produce plates that differ in types and sizes from those given in this standard, subject to the remaining requirements of this standard.

4.2 Main parameters and dimensions

4.2.1 Slabs are divided into the following types:

1 pc - slabs 220 mm thick with round voids 159 mm in diameter. designed to be supported on both sides;

1PKT - the same for supporting on three sides;

1PCK - the same for supporting on four sides;

2PK - plates with a thickness of 220 mm with round voids with a diameter of 140 mm. designed to be supported on both sides;

2PKT - the same for supporting on three sides:

2PCK - the same for supporting on four sides;

ZPK - plates with a thickness of 220 mm with round voids with a diameter of 127 mm. designed to be supported on both sides;

ZPKT - the same for supporting on three sides;

ZPKK - the same for supporting on four sides;

4PK - slabs 260 mm thick with round voids with a diameter of 159 mm and cutouts in the upper zone along the contour, intended for support on both sides;

5PK - slabs 260 mm thick with round voids 180 mm in diameter. designed to be supported on both sides;

6PK - slabs 300 mm thick with round voids with a diameter of 203 mm. designed to be supported on both sides;

7PK - slabs 160 mm thick with round voids with a diameter of 114 mm. designed to be supported on both sides;

PG - slabs 260 mm thick with pear-shaped voids, designed to be supported on both sides;

PB - plates with a thickness of 220 mm. Continuously molded on long benches designed to be supported on both sides.

4.2.2 Slab shape and coordination dimensions - length and width (except for PB-type slabs) should correspond to those given in Table 1 and Figures 1-3.

For buildings (structures) with a design seismicity of 7 points or more, it is allowed to manufacture slabs with a shape that differs from that indicated in Figures 1-3.

GOST 9561-2016

Table 1

Plate type	Figure number	Coordination dimensions of the slab, we
Plate type	Figure number
		From 2400 to 6600 inclusive with an interval of 300: 7200.7500	1000. 1200. 1500.1800.2400. 3000. 3600
			1000. 1200. 1500
		From 3600 to 6600 inclusive with an interval of 300: 7200.7500	From 2400 to 3600 inclusive with an interval of 300


		From 2400 to 6600 inclusive with an interval of 300	From 4800 to 6600 inclusive with an interval of 300: 7200


		From 2400 to 6600 inclusive with an interval of 300: 7200.9000	1000. 1200. 1500
		6000.9000, 12000	1000. 1200. 1500
			1000. 1200. 1500
		From 3600 to 6300 inclusive with an interval of 300	1000. 1200. 1500. 1800
		6000.9000, 12000	1000. 1200. 1500

Note - The length of the plate is taken:

The dimension of the side of the plate not supported by bearing structures buildings (structures), - for a slab intended to be supported on two or three sides:

The smallest of the dimensions of the slab in plan is for a slab intended to be supported along the contour.

GOST 9561-2016

Plates of types 1PK, 2PK. ZPK. 5pcs, 6pcs, 7pcs

M

2

and

a) - types 1PK. 2pcs. ZPK. SflK. 6pcs. 7pcs,

b) - types 1LKT.2PKT. ZPKT.

c) - types of 1PCK. 2PCK. EPCC

Figure 1 - Cross-sections of slabs

GOST 9561-2016

Plate type 4PK

2

D

Figure 2 - Cross-sections of the slab Slab of the PG type

2

Figure 3 - Cross-sections of the slab

Notes to Figures 1-3

1 Plates of types 1PKT. 2PKT. ZPKT. 1PCK. 2LKK and ZPKK can have technological bevels along all side faces.

2 Methods of strengthening proud slabs are shown in Figures 1-3 as an example. Other methods of strengthening are allowed. 8 including reducing the diameter of the voids through one on both supports without sealing the opposite ends of the voids.

3 Dimensions and shape of the groove along the longitudinal upper edge of 1PKT slabs. 2PKT and ZPKT (see Figure 1.6) and along the contour of plates of type 4PK (see Figure 2) are installed in the working drawings of the plates.

4 In slabs intended for buildings (structures) with a design seismicity of 7-9 points, extreme voids may be absent due to the need to install embedded products or outlets of reinforcement for connections between slabs, walls, anti-seismic belts.

GOST 9561-2016

4.2.3 The structural length and width of the slabs (except for slabs of the PB type) should be taken equal to the corresponding coordination size (see Table 1), reduced by a value a 1 - the gap between adjacent slabs or a 2 - the distance between adjacent slabs, if any separating element, such as an anti-seismic belt, ventilation ducts, the ribs of the girder, or increased by a 3, for example, for slabs supported on the entire thickness of the staircase walls of buildings with transverse load-bearing walls.

The values \u200b\u200bof the quantities a 1, a 2. a 3 are shown in Table 2.

table 2

Dimensions in millimeters

Scope of plates	Additional razors. pites taken into account when determining the structural size


Large-panel ranks, including buildings with a design seismicity of 7-9 points		10 - for slabs with coordination width less than 2400:
Buildings (structures) with walls made of bricks, stones and blocks, with the exception of buildings (structures) with a design seismicity of 7-9 points		20 - for slabs of coordination width 2400 and more
Buildings (structures) with walls made of bricks, stones and blocks with a design seismicity of 7-9 points
Frame buildings (structures), including buildings (structures) with a design seismicity of 7-9 points

4.2.4 The shape and dimensions of plates of the PB type must correspond to the established working drawings of the plates, developed in accordance with the parameters of the molding equipment of the manufacturer of these plates.

4.2.5 Voids in slabs intended to be supported on two or three sides should be located parallel to the direction in which the length of the slabs is determined. In slabs intended to be supported on four sides, voids should be placed parallel to either side of the slab contour.

Nominal distance between the centers of voids in slabs (except for slabs of types PG and PB), mm. should be taken at least:

165 - in plates of types 1PK. 1PCT. 1PCK. 2pcs. 2PKT. 2PCK. ZPK. ZPKT. ZPKK and 4PK;

235 - in plates of type 5PK:

* 233- "" 6PC:

139-1 "" 7PC.

The distance between the centers of the voids of slabs of types PG and PB is assigned in accordance with the parameters of the molding equipment of the manufacturer of these slabs.

4.2.6 Slabs should be made with grooves or grooves on the lateral edges to indicate, after eamonolization, intermittent or continuous dowels that ensure the joint work of floor slabs in shear in the horizontal and vertical directions.

By agreement of the manufacturer with the consumer and the design organization - the author of the project of a specific building (structure), it is allowed to manufacture slabs without indentations or grooves for the formation of dowels.

4.2.7 Plates intended to be supported on two or three sides should be prestressed.

Plates 220 mm thick. less than 4780 mm long with voids 159 and 140 mm in diameter and 260 mm thick slabs. less than 5680 mm long. as well as plates with a thickness of 220 mm of any length with voids with a diameter of 127 mm are allowed to be made with non-tensioning reinforcement.

4.2.8 Plates should be made with reinforced ends. Strengthening of the ends is achieved by reducing the cross-section of the voids on the supports or filling the voids with concrete or concrete inserts * joints (see Figures 1-3).

GOST 9561-2016

With a design load on the ends of the slabs in the wall polishing zone, not exceeding 1.67 MPa (17 kgf / cm 2), it is allowed, upon agreement between the manufacturer and the consumer, to supply slabs with unreinforced ends.

Reinforcement methods and minimum dimensions of the fittings are set in the working drawings or indicated when ordering plates.

4.2.9 In the cases provided for by the working drawings of a specific building (structure), slabs may have embedded products, outlets of reinforcement, local cutouts, holes and other additional structural details.

4.2.10 For lifting and installation of slabs, mounting loops or special gripping devices are used, the design of which is set by the manufacturer in agreement with the consumer and the design organization - the author of the building (structure) project.

The location and dimensions of the holes in the plates provided for loopless mounting are taken according to the drawings included in the design documentation of the gripper for these plates.

4.2.11 The indicators of the consumption of concrete and steel on the slabs must correspond to those indicated in the working drawings of these slabs, taking into account possible clarifications made by the design organization in the prescribed manner.

4.2.12 Plates are used taking into account their fire resistance limit specified in the working drawings of the plates.

4.2.13 Plates are marked with marks in accordance with the requirements of GOST 23009. When establishing the designations, the following provisions must be taken into account.

The plate brand consists of alphanumeric groups separated by hyphens.

In the first group, indicate the designation of the type of slab, the length and width of the slab in decimeters, the values \u200b\u200bof which are rounded to an integer.

The second group indicates:

* the calculated load on the slab in kilopascals (kilogram-force per square meter) or the serial number of the slab in terms of bearing capacity:

* steel class of prestressed reinforcement (for prestressed slabs);

* type of concrete (L - lightweight concrete. C - dense silicate concrete; heavy concrete is not designated).

In the third group, if necessary, indicate additional characteristics that reflect

special conditions for the use of plates (for example, their resistance to aggressive gaseous media, seismic effects), as well as designations of the design features of the plates (for example, the presence of additional embedded products).

An example of a conventional designation (brand) of a 1PK slab with a length of 6280 mm. width 1490 mm. designed for a design load of 6 kPa. made of lightweight concrete with prestressing reinforcement class AT800:

1PK63.15-6At800L

Also. made of heavy concrete and intended for use in buildings with a design seismicity of 7 points:

1PK63.15-6At800-C7

Note - It is allowed to accept the designations of the brands of plates in accordance with the working drawings of typical structures before their revision.

4.3 Board characteristics

4.3.1 Plates must meet the strength requirements established during design. stiffness, crack resistance and when tested by loading in the cases provided for by the working drawings, withstand control loads.

4.3.2 Plates must meet the requirements of GOST 13015 in the following parameters:

Indicators of the actual strength of concrete (e design age, transfer and release);

Frost resistance of concrete, and for slabs operated under the influence of an aggressive gaseous environment. - also water resistance of concrete:

* medium density lightweight concrete;

Steel grades for reinforcement and embedded products, including assembly loops;

GOST 9561-2016

Deviations in the thickness of the concrete cover to the reinforcement;

Protect against corrosion.

Plates used as a bearing part of loggias must also meet the additional requirements of GOST 25697.

4.3.3 The load-bearing capacity of a specific slab depends on the class of prestressing reinforcement, the type and class of concrete and is determined according to the regulatory documents in force for the period of application.

4.4 Material requirements

4.4.1 Plates should be made of heavy concrete in accordance with GOST 26633. structural lightweight concrete of dense structure with an average density of at least 1400 kg / m 3 in accordance with GOST 25820 or dense silicate concrete with an average density of at least 1800 kg / m 3 in accordance with GOST 25214 strength classes for compression specified in the working drawings of these plates.

concrete mixtures for the manufacture of products must comply with the requirements of GOST 7473.

4.4.2 The compression forces (tension release of the reinforcement) are transferred to the concrete after it reaches the required transfer strength.

The normalized transfer strength of concrete of prestressed slabs, depending on the compressive strength class of concrete, the type and class of prestressed reinforcing steel, must correspond to that specified in the working drawings of these slabs.

4.4.3 The rated tempering strength of concrete of prestressed slabs of heavy or lightweight concrete for the warm season should be equal to the rated transfer strength of concrete, and of slabs with non-stressed reinforcement - 70% of the compressive strength of concrete corresponding to its class. When these slabs are delivered during the cold period of the year or to ensure their safety during transportation by rail during the warm period of the year (as agreed between the manufacturer and the consumer of the slabs), the normalized tempering strength of concrete can be increased to 85% of the compressive strength of concrete corresponding to its class.

The normalized tempering strength of concrete slabs made of dense silicate concrete should be equal to 100% of the concrete compressive strength corresponding to its class.

4.4.4 Reinforcing steel should be used to reinforce the slabs the following types and classes:

As prestressing reinforcement:

Thermomechanically hardened rod of ATbOO classes. At800 and At1000 in accordance with GOST 10884 regardless of weldability and increased resistance to corrosion cracking of reinforcement.

Hot-rolled bar grades A600. А800 and А1000 according to GOST 5781.

Reinforcing ropes of K1400 and K1500 classes in accordance with GOST 13840.

High-strength wire of periodic profile of classes 8r1200-Vr1500 according to GOST 7348.

Wire of periodic profile of VrbOO class according to technical conditions *.

Rod fittings of class A400e. made of reinforcing steel of class A400 in accordance with GOST 5781. hardened hood with control of stress values \u200b\u200band ultimate elongation:

As non-stressed reinforcement:

Hot rolled bars of periodic profile classes A300. A400 and smooth grade A240 in accordance with GOST 5781.

B500 class wire according to GOST 6727 and VrbOO class according to technical conditions *.

8 plates, manufactured by the methods of continuous beo-formwork molding on long stands, continuous reinforcement, as well as using electrothermal tension at different temperatures, use high-strength wire reinforcement in accordance with GOST 7348 and ropes in accordance with GOST 13840.

4.5 Requirements for surface quality and appearance of boards

4.5.1 The shape and dimensions of reinforcement and embedded products and their position in the plates must correspond to those indicated in the working drawings of these plates.

4.5.2 Welded fittings and embedded products must comply with the requirements of GOST 10922.

* In the Russian Federation, TU 14-4-1322-89 "Wire made of low-temperature steel, cold-drawn, periodic profile of increased strength, for reinforcing reinforced concrete structures" is in force.

GOST 9561-2016

4.5.3 The values \u200b\u200bof stresses in prestressing reinforcement, controlled after the end of tension on the stops, must correspond to those indicated in the working drawings of the plates. The values \u200b\u200bof the actual deviations of stresses in prestressed reinforcement should not exceed the limit values \u200b\u200bspecified in the working drawings of the plates.

4.5.4 The values \u200b\u200bof the actual deviations of the geometrical parameters of the plates should not exceed the limit values \u200b\u200bindicated in Table 3.

Table 3

Dimensions in millimeters

Geometric deviation name	Geometric name	The ultimate
parameter	parameter	deviation
	Slab length and width: up to 2500 incl.
	behold. 2500 "4000"
	"4000" 6000 "

Deviation from linear dimension	Slab thickness Size defining position:
	holes and cutouts
	embedded products:
	in the plane of the slab
	from the plane of the PLATE
Deviation from the straightness of the profile top
on the surface of the slab intended for
direct linoleum sticker, as well
the profile of the side edges of the slab at a length of 2000
The deviation from the flatness of the front lower (ceiling) surface of the slab when measured from the conditional plane passing through three corner points of the slab with a length:


Deviation from the size that determines the position of the embedded product from the upper plane of the slabs.
intended for direct linoleum gluing, should only be inside the slab.

4.5.5 Requirements for the quality of concrete surfaces and the appearance of slabs (including requirements for the permissible width of the opening of technological cracks) - in accordance with GOST 13015 and this standard.

4.5.6 The quality of the concrete surfaces of the slabs must meet the requirements established for the categories:

AZ - bottom (ceiling);

A7 - top and side.

By agreement between the manufacturer and the consumer, the plates can be installed instead of the following categories of surfaces:

A2 - lower (ceiling), prepared for painting;

A4 - the same. prepared for wallpapering or decorative trim pasty compounds, and the top, prepared for linoleum coating:

A6 - lower (ceiling), to which there are no requirements for the quality of the finish.

4.5.7 In the concrete of the slabs supplied to the consumer, cracks are not allowed, with the exception of shrinkage and other surface technological cracks no more than 0.3 mm wide on the upper surface of the slabs and no more than 0.2 mm on the side and bottom surfaces of the slabs.

GOST 9561-2016

4.5.8 Reinforcement exposure is not allowed, except for outlets of reinforcement or ends on * yoked reinforcement, which should not protrude beyond the end surfaces of the slabs by more than 10 mm and should be protected with a layer of cement * sand mortar or bitumen varnish.

4.6 Marking

4.6.1 Markings, signs and the name of the enterprise * and the manufacturer should be applied * to the side faces or top surfaces of the plates in accordance with GOST 13015.

4.6.2 On the upper surface of the slab, supported on three sides, signs "Place of support" according to GOST 13015 should be applied, located in the middle at each side of the support of the slab.

4.6.3 Methods and rules for applying marking are prescribed in section 7 of GOST 13015.

5 Rules for acceptance of plates

5.1 Acceptance of plates is carried out in accordance with the requirements of GOST 13015 and this standard.

5.2 Acceptance of plates is carried out according to the results:

Periodic tests - in terms of strength, stiffness and crack resistance of slabs, frost resistance of concrete, porosity (volume of intergranular voids) of a compacted lightweight concrete mixture, as well as water resistance of concrete of slabs intended for operation under the influence of an aggressive environment;

Acceptance tests - in terms of concrete strength (class of concrete in terms of compressive strength, transfer and tempering strength), average density of light or dense silicate concrete, compliance of reinforcement and embedded products with working drawings, strength of welded joints, accuracy of geometric parameters, thickness of protective layer concrete to reinforcement, technological crack opening width and category concrete surface.

5.3 Periodic testing of slabs by loading to control their strength, stiffness and crack resistance is carried out before the start of their mass production and subsequently when structural changes are made to them and when the manufacturing technology is changed, as well as in the process of serial production of slabs at least once a year.

Load testing of slabs in the event of structural changes and changes in manufacturing technology, depending on the nature of these changes, may not be carried out in agreement with the design organization - the developer of working drawings of the slabs.

Tests of plates with a length of 5980 mm or less during their serial production may not be carried out if non-destructive testing is carried out in accordance with the requirements of GOST 13015.

5.4 Plates in terms of accuracy of geometric parameters, thickness of the concrete cover to reinforcement, width of technological crack opening and category of concrete surface should be taken based on the results of sampling.

5.5 The porosity (volume of intergranular voids) of a compacted lightweight concrete mixture should be determined at least once a month.

5.6 A document on the quality of the boards supplied to the consumer should be drawn up in accordance with GOST 13015.

Additionally, in the document on the quality of the slabs, the concrete grade for frost resistance must be given. and for plates intended for operation in conditions of exposure to aggressive media. - grade of concrete for water resistance (if this indicator is specified in the order for the manufacture of slabs).

6 Control methods

6.1 Loading tests of slabs to control their strength, stiffness and crack resistance should be carried out in accordance with the requirements of GOST 8829 and working drawings of these slabs.

6.2 The strength of concrete slabs should be determined in accordance with GOST 10180 on a series of samples made from a concrete mixture of the working composition and stored under the conditions established by GOST 18105.

When determining the strength of concrete by non-destructive testing methods, the actual transfer and tempering compressive strength of concrete is determined by the ultrasonic method in accordance with GOST 17624 or mechanical devices in accordance with GOST 22690. It is allowed to use other non-destructive testing methods provided for by the standards for concrete test methods.

6.3 Frost resistance of concrete slabs should be determined in accordance with GOST 10060 or ultrasonic methods in accordance with GOST 26134 on a series of samples made from a concrete mixture of the working composition.

GOST 9561-2016

6.4 The water tightness of concrete slabs intended for operation under conditions of exposure to an aggressive environment should be determined in accordance with GOST 12730.0 and GOST 12730.5.

6.5 The average density of light and dense silicate concrete should be determined according to GOST 12730.0 and GOST 12730.1 or by the radioisotope method according to GOST 17623.

6.6 Indicators of porosity of a compacted mixture of lightweight concrete should be determined in accordance with GOST 10181.

6.7 Methods of control and testing of welded reinforcement and embedded products - according to GOST 10922, GOST 23858 and GOST 14098.

6.8 The tensile force of the reinforcement, controlled at the end of the tension, is measured in accordance with GOST 22362.

6.9 The dimensions of the slabs, deviations from the straightness and flatness of the surfaces of the slabs, the width of the opening of technological cracks, the dimensions of shells, sagging and trenches of concrete slabs should be determined by the methods established by GOST 26433.0 and GOST 26433.1.

6.10 The dimensions and position of reinforcement and embedded products, as well as the thickness of the concrete cover to the reinforcement should be determined in accordance with GOST 17625 and GOST 22904. In the absence of the necessary instruments, cutting of grooves and exposure of reinforcement slabs with subsequent sealing of grooves is allowed. Furrows should be punched at a distance from the ends not exceeding 0.25 of the slab length.

7 Transport and storage

7.1 Transportation and storage of plates is carried out in accordance with the requirements of GOST 13015 and this standard.

The choice of vehicles is carried out at the stage of developing a project for the production of works, taking into account the dimensions of the plates, the distance of transportation and road conditions.

7.2 Plates should be transported and stored in stacks in a horizontal position.

The height of the slabs stack should not be more than 2.5 m.

On specialized vehicles, it is allowed to transport slabs in an inclined or vertical position.

7.3 Spacers for the bottom row of plates and spacers between them in a stack should be placed one vertical at a time near the mounting hinges.

GOST 9561-2016

Appendix A (informative)

List of standard sizes and series of working drawings for slabs of mass use

Table A.1

Thiooryaedor	Standard size	Designation of a series of working drawings

GOST 9561-2016

Continuation of table A. 1

Standard size	Series designation	Standard size	Series designation
	working drawings		working drawings

GOST 9561-2016

Continuation of table A. 1

Standard size	Series designation	Standard size	Series designation
	working drawings		working drawings

GOST 9561-2016

End of Table A. 1

Standard size	Designation of a series of working drawings	Standard size	Designation of a series of working drawings

Fields of application of various types of plates

Table B.1

Plate type	The given * may be the thickness of the plate, im	Average density of concrete PLATES, kgGy 3	Plate length, mm	Characteristics of manias and structures
			Up to 7200 ac.	Residential buildings in which the required sound insulation of residential premises is provided by the device of hollow, floating, hollow-free layered priests, as well as single-layer priests along the leveling screed
			Up to 9000 acc.
			Up to 7200 ac.	Residential buildings, in which the required soundproofing of residential premises is provided by the device of single-layer priests
			Up to 6300 ac.	Residential large-panel buildings of the 135 series, in which the required soundproofing of the premises is provided by the device of single-layer hollow
			Up to 9000 acc.	Public and industrial buildings (structures)
			Up to 12,000 acc.


			Up to 7200 ac.	Residential buildings of low-rise and manor type

GOST 9561-2016

Bibliography

	Typical Design Series 1.241-1
	Typical Design Series 1.041.1-3	Prefabricated reinforced concrete hollow-core floor slabs for multi-storey public buildings, industrial and auxiliary buildings industrial enterprises
	Typical Design Series 1.090.1-1 *	Prefabricated reinforced concrete structures interspecific use for large-panel public buildings and auxiliary buildings of industrial enterprises with a floor height of 3.0 and 3.3 m
	Typical Design Series 1.090.1-26 *	Prefabricated reinforced concrete structures of interspecific application for large-panel public buildings and auxiliary buildings of industrial enterprises with a floor height of 3.0 and 3.3 m for construction in seismic areas
	Typical Design Series 1.090.1-Sc	Prefabricated reinforced concrete structures of interspecific use of large-panel public buildings and auxiliary buildings of industrial enterprises for construction in areas Central Asia seismicity 7, 8 and 9 points
	Typical design series 1.090.1-Зпв	Prefabricated reinforced concrete structures of interspecific use of large-panel public buildings and auxiliary buildings of industrial enterprises with a floor height of 3.0 and 3.3 m for construction on subsiding soils and in undermined areas
	Typical Design Series 1.141-1	Reinforced concrete hollow core slabs
	Typical design series 1.141-18s *	Lightweight concrete hollow-core slabs for civil engineering in seismic areas
	Typical design series 1.141.1-25С	Hollow-core reinforced concrete floor panels reinforced with Ar-V steel rods for the construction of residential and public buildings in areas with seismicity of 7.8 and 9 points
	Typical Design Series 1.141.1-28C	Hollow-core reinforced concrete floor slabs, reinforced with A-til class steel mesh. for the construction of residential and public buildings in areas with seismicity of 7.8 and 9 points
	Typical design series 1.141.1-29С	Hollow-core reinforced concrete floor slabs, reinforced with meshes made of steel of class BP-I. for the construction of residential and public buildings in areas with seismicity 7.8 and 9 points
	Typical design series 1.141.1-ZOS	Reinforced concrete hollow core slabs
	Typical Design Series 1.141.1-32C	Hollow-core reinforced concrete floor slabs, reinforced with rods made of steel of class A-1V and At-IVc. for the construction of residential and public buildings in areas with seismicity 7.8 and 9 points
	Typical design series 1.141.1-ЗЗс	Floor slabs prestressed reinforced concrete hollow core. reinforced with ropes of class K-7 by the method of continuous reinforcement. for the construction of residential and public buildings in areas with seismicity 7.8 points
	Typical Design Series 1.141.1-39	Lightweight hollow-core slabs with low floor heights for manor houses
	Typical Design Series 141	Large-panel houses. Reinforced concrete hollow core slabs

* Valid only for the territory of the Russian Federation

GOST 9561-2016

(17] Typical design series E-600

(18] Typical design series E-600 IV

(19] Typical design series E-600P TsNIIEL dwelling

(20] Typical design series 135 KB for reinforced concrete named after A. Yakushev

(21] Typical design series 86-3191 / 1 TsNIIEP of commercial and domestic buildings

and tourist complexes

(22] Typical design series 28-87 TsNIIProy buildings

Large-panel houses

Reinforced concrete hollow-core floor panels Large-panel houses

Reinforced concrete hollow core slabs

Large-panel houses for Perm

Reinforced concrete hollow core slabs

A comprehensive series of typical projects for large-panel residential buildings and public buildings

Reinforced concrete hollow-core floor panels for buildings and structures

GOST 9561-2016

UDC 691.328.1.022 * 413: 006.354 MKS 91.080.40

Key words: slab, floor slab, hollow-core slabs, coordination dimensions, constructive length and width, standard size, types, parameters, brand, concrete, class, technical requirements. fittings, embedded parts

Editor EY. Shalygina Technical editor V.N. Prusakova Proofreader M.S. Kabashova Computer layout E.A. Kondrashova

Rented and set 11/23/2016. Signed and stamped on 12/28/2016. Format 60 "84 1/4. Arnal Uel typeface. oven l. 2.79. Uch.-iad. l. 2.S2. Circulation 43 eke For ". 3322

Prepared on the basis of the electronic version provided by the developer of the standard

Published and printed at STANDARDIKFORM FSUE. 123995 Moscow. Granatny lane .. 4 wwwposlinto.ru


Designation	GOST 9561-91
Title in Russian	Hollow-core reinforced concrete floor slabs for buildings and structures. Technical conditions
Title in English	Reinforced concrete multihollow panels for floors in buildings. Specifications
Effective date	01.01.1992
OKS	91.080.40
OKP code	584200
KGS code	F33
OKSTU code	5842
GRNTI Rubricator Index	671133
Abstract (scope)	This standard applies to hollow-core reinforced concrete slabs made of heavy, light and dense silicate concrete and intended for the bearing part of the floors of buildings and structures for various purposes.
Keywords	plates; building ;
Type of standard	Product (service) standards
Designation of the replaceable (s)	GOST 9561-76
Designation of the part to be replaced	GOST 26434-85 in terms of types, basic dimensions and parameters of reinforced concrete hollow-core slabs
Rostekhregulirovanie Department	50 - Ministry of Construction of the Russian Federation
MND developer	Russian Federation
Date of last edition	20.01.1992
Number of pages (original)	22
Organization - Developer	Goskomarkhitektury Gosstroy of the USSR; Central Research Institute of Industrial Buildings of the USSR State Construction Committee
Status	Works

Reinforced concrete floor slabs
MULTI-VACUUM FOR BUILDINGS
AND STRUCTURES

TECHNICAL CONDITIONS

GOST 9561-91

USSR STATE CONSTRUCTION COMMITTEE
AND INVESTMENT

Moscow

STATE STANDARD OF THE UNION OF SSR

Date of introduction 01.01.92

This standard applies to hollow-core reinforced concrete slabs (hereinafter referred to as slabs) made of heavy, light and dense silicate concrete and intended for the load-bearing part of the floors of buildings and structures for various purposes.

Plates are used in accordance with the instructions of the working drawings of the plates and additional requirements specified when ordering these structures.

1. TECHNICAL REQUIREMENTS

1.1. Plates should be manufactured in accordance with the requirements of this standard and the technological documentation approved by the manufacturer, according to working drawings of typical structures (see Appendix) or projects of buildings (structures).

1.2. Basic parameters and dimensions

1.2.1. Plates are divided into types:

1PK - 220 mm thick with round voids with a diameter of 159 mm, designed to be supported on both sides;

1PKT - the same, for supporting on three sides;

1PCK - the same, for support on four sides;

2PK - 220 mm thick with round voids with a diameter of 140 mm, designed to be supported on both sides;

2PKT - the same, for support on three sides;

2PCK - the same for supporting on four sides;

3PK - 220 mm thick with round voids with a diameter of 127 mm, designed to be supported on both sides;

3PKT - the same, for support on three sides;

3PCK - the same, for support on four sides;

4PK - 260 mm thick with round voids with a diameter of 159 mm and cutouts in the upper zone along the contour, intended for support on both sides;

5PK - 260 mm thick with round voids with a diameter of 180 mm, designed to be supported on both sides;

6PK - 300 mm thick with round voids with a diameter of 203 mm, designed to be supported on both sides;

7PK - 160 mm thick with round voids with a diameter of 114 mm, designed to be supported on both sides;

PG - 260 mm thick with pear-shaped voids, intended for support on both sides;

PB - 220 mm thick, manufactured by continuous molding on long benches and designed to be supported on both sides.

1.2.2. The shape and coordination length and width of the slabs (except for slabs of the PB type) must correspond to those given in Table 1 and hell. -. For buildings (structures) with a design seismicity of 7 points or more, it is allowed to make slabs with a shape that differs from that indicated in the drawing.

1.2.3. The structural length and width of the slabs (with the exception of slabs of the PB type) should be taken equal to the corresponding coordination size (table.) reduced by the amount and 1 (gap between adjacent slabs) or and 2 (the distance between adjacent slabs in the presence of a separating element between them, for example, an antiseismic belt, ventilation ducts, crossbar ribs), or increased by and 3 (for example, for slabs supported on the entire thickness of the staircase walls of buildings with transverse load-bearing walls). The values and 1 , and 2 and and 3 are given in table. ...

1.2.4. The shape and dimensions of plates of the PB type must correspond to the established working drawings of the plates, developed in accordance with the parameters of the molding equipment of the manufacturer of these plates.

Plate type	Slab drawing number	Coordination dimensions of the slab, mm
Plate type	Slab drawing number	Length	Width
	and	From 2400 to 6600 incl. with an interval of 300, 7200, 7500	1000, 1200, 1500, 1800, 2400, 3000, 3600
	and		1000, 1200, 1500
	b	3600 to 6600 incl. with an interval of 300, 7200, 7500
	in	From 2400 to 3600 incl. with an interval of 300	From 4800 to 6600 incl. with an interval of 300, 7200
		From 2400 to 6600 incl. with an interval of 300, 7200, 9000	1000, 1200, 1500
	and	6000, 9000, 12000	1000, 1200, 1500
	and		1000, 1200, 1500
	and	3600 to 6300 incl. with an interval of 3000	1000, 1200, 1500, 1800
		6000, 9000, 12000	1000, 1200, 1500

Note. The length of the slabs is taken as:

the size of the side of the slab not supported by the supporting structures of the building (structure) - for slabs intended to be supported on two or three sides;

the smallest of the dimensions of the slab in plan - for slabs intended to be supported along the contour.

1-1

Plates of types 1PC, 2PC, 3PC, 5PC, 6PC, 7PC

Plates of types 1PKT, 2PKT, 3PKT

Plates of types 1PCK, 2PCK, 3PCK

2-2

Plate type 4PK

1-1

2-2

PG type plate

1-1

2 - 2

1. Plates of types 1PKT, 2PKT, 3PKT, 1PKK, 2PKK and 3PKK can have technological bevels along all side edges.

2. Methods for strengthening the ends of the plates are shown in Fig. 1 - 3 as an example. It is allowed to use other reinforcement methods, including reducing the diameter of the voids through one on both supports without sealing the opposite ends of the voids.

3. The dimensions and shape of the groove along the longitudinal upper edge of the plates of the 1PKT, 2PKT and 3PKT types (Fig. 1 b) and along the contour of the 4PK type plates (Fig.) Are set in the working drawings of the plates.

4. In slabs intended for buildings (structures) with a design seismicity of 7 - 9 points, extreme voids may be absent due to the need to install embedded products or release reinforcement for connections between slabs, walls, anti-seismic belts.

table 2

	Additional dimensions taken into account when determining the structural size of the slab, mm
	length			width and 1
	and 1	and 2	and 3	width and 1
Large-panel buildings, including buildings with a design seismicity of 7 - 9 points	20		60	10 - for slabs with coordination width less than 2400.20 - for slabs with coordination width 2400 and more
Buildings (structures) with walls made of bricks, stones and blocks, with the exception of buildings (structures) with a design seismicity of 7 - 9 points	20
Buildings (structures) with walls made of bricks, stones and blocks with a design seismicity of 7 - 9 points	20	140
Frame buildings (structures), including buildings (structures) with a design seismicity of 7 - 9 points	20	350

1.2.5. Voids in slabs intended to be supported on two or three sides should be parallel to the direction in which the length of the slabs is determined. In slabs designed to be supported on four sides, voids should be placed parallel to either side of the slab outline.

The nominal distance between the centers of the voids in the slabs (except for slabs of types PG and PB) should be taken at least, mm:

185 - in plates of types 1PK, 1PKT, 1PKK, 2PK, 2PKT, 2PKK, 3PK, 3PKT, 3PKK and 4PK;

235 - in plates of 5PK type;

233 "" "6PC;

139 7PK.

The distance between the centers of the voids of slabs of types PG and PB is assigned in accordance with the parameters of the molding equipment of the manufacturer of these slabs.

1.2.6. The slabs should be made with recesses or grooves on the side edges to form intermittent or continuous dowels after monolithing, ensuring the joint work of the floor slabs for shear in the horizontal and vertical directions.

1.2.7. Plates designed to be supported on two or three sides should be pre-stressed. Slabs 220 mm thick, less than 4780 mm long, with voids with diameters of 159 and 140 mm and slabs 260 mm thick, less than 5680 mm long, as well as plates 220 mm thick, of any length, with voids with a diameter of 127 mm, can be made with non-tensioned reinforcement.

1.2.8. Plates should be made with reinforced ends. Strengthening the ends is achieved by reducing the cross-section of the voids on the supports or filling the voids with concrete or concrete inserts (Fig.). With the design load on the ends of the slabs in the zone of support of the walls, not exceeding 1.67 MPa (17 kgf / cm 2), it is allowed, upon agreement between the manufacturer and the consumer, to supply slabs with unreinforced ends.

Reinforcement methods and minimum dimensions of the fittings are set in the working drawings or indicated when ordering plates.

1.2.9. In the cases provided for by the working drawings of a specific building (structure), slabs may have embedded products, reinforcement outlets, local cutouts, holes and other additional structural details.

1.2.10. For lifting and installation of slabs, mounting loops or special gripping devices are used, the design of which is set by the manufacturer in agreement with the consumer and the design organization - the author of the building (structure) project. The location and dimensions of the holes in the plates provided for loopless mounting are taken according to the drawings included in the design documentation of the gripper for these plates.

1.2.11. The indicators of the consumption of concrete and steel on the slabs must correspond to those indicated in the working drawings of these slabs, taking into account possible clarifications made by the design organization in the prescribed manner.

1.2.12. Plates are used taking into account their fire resistance limit specified in the working drawings of the plates.

Plates are marked with brands in accordance with the requirements ... The plate brand consists of alphanumeric groups separated by hyphens.

In the first group, indicate the designation of the type of slab, the length and width of the slab in decimeters, the values \u200b\u200bof which are rounded to the nearest whole number.

The second group indicates:

the calculated load on the slab in kilopascals (kilogram-force per square meter) or the serial number of the slab in terms of bearing capacity;

prestressing steel class (for prestressed slabs);

concrete type (L - lightweight concrete, C - dense silicate concrete; heavy concrete is not indicated).

In the third group, if necessary, indicate additional characteristics reflecting the special conditions of use of the plates (for example, their resistance to aggressive gaseous media, seismic effects), as well as designations of the design features of the plates (for example, the presence of additional embedded products).

Legend example (grade) slabs of type 1PK 6280 mm long, 1490 mm wide, designed for a design load of 6 kPa, made of lightweight concrete with prestressing reinforcement of class At-V:

1PK63.15-6At VL

The same, made of heavy concrete and intended for use in buildings with a design seismicity of 7 points:

1PK63.15-6At V-C7

Note. It is allowed to accept the designation of plate grades in accordance with the working drawings of the plates before their revision.

1.3. Characteristics

1.3.1. Plates must meet the design requirements for strength, stiffness, crack resistance and, when tested by loading, in the cases provided for by working drawings, withstand control loads.

Plates must meet the requirements :

according to the indicators of the actual strength of concrete (at design age, transfer and release);

for frost resistance of concrete, and for slabs operated under the influence of an aggressive gaseous environment - also for water resistance of concrete;

by the average density of lightweight concrete;

to steel grades for reinforcement and embedded products, including mounting loops;

by deviations in the thickness of the concrete cover to reinforcement;

for corrosion protection.

Plates used as a load-bearing part of loggias must also meet the additional requirements of GOST 25697.

Slabs should be made of heavy concrete according to , structural lightweight concrete of dense structure with an average density of at least 1400 kg / m or dense silicate concrete with an average density of at least 1800 kg / m compressive strength classes or grades specified in the working drawings of these plates.

1.3.4. Compression forces (tension release of the reinforcement) are transferred to the concrete after it reaches the required transfer strength.

The normalized transfer strength of concrete of prestressed slabs, depending on the class or grade of concrete in terms of compressive strength, type and class of prestressed reinforcing steel, must correspond to that specified in the working drawings of these slabs.

1.3.5. The normalized tempering strength of concrete of prestressed slabs made of heavy or lightweight concrete for the warm season should be equal to the normalized transfer strength of concrete, and slabs with non-tensioned reinforcement - 70% of the compressive strength of concrete corresponding to its class or brand. When these slabs are delivered during the cold season or to ensure their safety during transportation by rail during the warm season (as agreed between the manufacturer and the consumer of the slabs), the normalized tempering strength of concrete can be increased to 85% of the compressive strength of concrete corresponding to its class or brand ...

The normalized tempering strength of concrete slabs made of dense silicate concrete should be equal to 100% of the concrete compressive strength corresponding to its class or brand.

For reinforcing slabs, reinforcing steel of the following types and classes should be used:

as prestressing reinforcement - thermomechanically hardened bar class АIV, At-V and At-VI according to GOST 10884 (regardless of weldability and increased resistance to corrosion cracking of reinforcement), hot-rolled rod classes A-IV, A-V and A-VI in accordance with GOST 5781, reinforcing ropes of class K-7 in accordance with GOST 13840, high-strength wire of periodic profile of class Vr-II according to GOST 7348, wire of class Вр-600 according to TU 14-4-1322 and bar reinforcement class A-IIIb, made of class A reinforcing steelIII in accordance with GOST 5781, a hardened hood with control of the magnitude of stress and ultimate elongation;

as non-tensioned reinforcement - hot-rolled bar periodic profile of classes A-II, A- III and smooth class A-I in accordance with GOST 5781, wire of periodic profile of class Вр-I according to GOST 6727 and class Вр-600 according to TU 14-4-1322.

High-strength wire reinforcement in accordance with GOST 7348 and ropes in accordance with GOST 13840 are used in slabs manufactured by continuous formless molding on long stands, continuous reinforcement, as well as with the use of electrothermal tension at different temperatures.

1.3.7. The shape and dimensions of reinforcement and embedded products and their position in the plates must correspond to those indicated in the working drawings of these plates.

Welded reinforcement and embedded products must meet the requirements .

1.3.9. The stress values \u200b\u200bin prestressing reinforcement, controlled after the end of its tension on the stops, must correspond to those indicated in the working drawings of the plates.

The values \u200b\u200bof the actual deviations of stresses in prestressed reinforcement should not exceed the limit values \u200b\u200bindicated in the working drawings of the plates.

1.3.10 The values \u200b\u200bof the actual deviations of the geometric parameters of the plates should not exceed the limiting values \u200b\u200bindicated in table. .

Table 3

Geometric parameter deviation name	Geometric parameter name	Prev off
Deviation from linear dimension	Slab length and width:
	up to 2500 incl.	± 6
	st. 2500 to 4000 incl.	± 8
	st. 4000 to 8000 incl.	± 10
	st. 8000	± 12
	Slab thickness	± 5
	Size defining position:
	holes and cutouts	10
	embedded products:
	in the plane of the slab	10
	from the plane of the plate	5 *
Deviation from the straightness of the profile of the upper surface of the slab intended for direct gluing of linoleum, as well as the profile of the lateral edges of the slab over a length of 2000
The deviation from the flatness of the front lower (ceiling) surface of the slab when measured from the conditional plane passing through three corner points of the slab with a length:
up to 8000
st. 8000		10

* Deviation from the size that determines the position of the embedded product from the upper plane of the slabs intended for direct linoleum gluing should be only inside the slab.

Requirements for the quality of concrete surfaces and the appearance of slabs (including requirements for the permissible width of the opening of technological cracks) - according to and this standard.

13.12. The quality of the concrete surfaces of the slabs must meet the requirements established for the categories:

A3 - bottom (ceiling);

A7 - top and side.

By agreement between the manufacturer and the consumer, the plates can be installed instead of the indicated categories of surfaces:

A2 - lower (ceiling), prepared for painting;

A4 - the same, prepared for wallpapering or decorative finishing with pasty compounds, and upper, prepared for linoleum covering;

A6 - lower (ceiling), to which there are no requirements for the quality of the finish.

1.3.13. In the concrete of the slabs supplied to the consumer, cracks are not allowed, with the exception of shrinkage and other surface technological cracks with a width of no more than 0.3 mm on the upper surface of the slabs and no more than 0.2 mm on the side and bottom surfaces of the slabs.

1.3.14. Exposure of reinforcement is not allowed, with the exception of outlets or ends of prestressing reinforcement, which should not protrude beyond the end surfaces of the slabs by more than 10 mm and should be protected with a layer of cement-sand mortar or bitumen varnish.

Plates marking - according to GOST 13015.2. Markings and signs should be applied to the side faces or the top surface of the slab.

On the upper surface of the slab, supported on three sides, signs "Place of support" should be applied in accordance with GOST 13015.2, located in the middle at each side of the support of the slab.

and this standard. In this case, the plates are taken according to the results:

periodic tests - in terms of strength, stiffness and crack resistance of slabs, frost resistance of concrete, porosity (volume of intergranular voids) of a compacted mixture of lightweight concrete, as well as water resistance of concrete slabs intended for use in an aggressive environment;

acceptance tests - in terms of concrete strength (class or grade of concrete in terms of compressive strength, transfer and tempering strength), average density of light or dense silicate concrete, conformity of reinforcement and embedded products to working drawings, strength of welded joints, accuracy of geometric parameters, thickness of protective layer concrete to reinforcement, crack opening width and concrete surface category.

Periodic testing of slabs by loading to control their strength, stiffness and crack resistance is carried out before the start of their mass production and later - when structural changes are made to them and when the manufacturing technology is changed, as well as during the serial production of slabs at least once a year. Load testing of slabs in the event of structural changes and changes in manufacturing technology, depending on the nature of these changes, may not be carried out in agreement with the design organization - the developer of the working drawings of the slabs.

Tests of plates with a length of 5980 mm or less during their serial production may not be carried out if non-destructive testing is carried out in accordance with the requirements of GOST 13015.1.

2.3. The slabs in terms of the accuracy of the geometric parameters, the thickness of the concrete cover to the reinforcement, the width of the opening of technological cracks and the category of the concrete surface should be taken based on the results of sampling.

2.4. The porosity (volume of intergranular voids) of a compacted lightweight concrete mixture should be determined at least once a month.

2.5. In the document on the quality of slabs intended for operation under conditions of exposure to aggressive environments, the concrete grade for water resistance must additionally be given (if this indicator is specified in the order for the manufacture of slabs).

Loading tests of slabs to control their strength, stiffness and crack resistance should be carried out in accordance with the requirements and working drawings of these plates.

The strength of concrete slabs should be determined by on a series of samples made from a concrete mixture of the working composition and stored under the conditions established .

When determining the strength of concrete by non-destructive testing methods, the actual transfer and tempering compressive strength of concrete is determined by the ultrasonic method in accordance with GOST 17624 or by mechanical devices in accordance with GOST 22690. It is allowed to use other non-destructive testing methods provided for by the standards for concrete test methods.

Frost resistance of concrete slabs should be determined by or ultrasonic method according to on a series of samples made from a concrete mixture of the working composition.

The water resistance of concrete slabs intended for use in an aggressive environment should be determined by and GOST 12730.5 .

The average density of light and dense silicate concrete should be determined by or by radioisotope method according to .

Porosity indicators of a compacted lightweight concrete mixture should be determined by and GOST 10181.3 .

Control of welded reinforcement and embedded products - according to .

The tensile force of the reinforcement, controlled at the end of the tension, is measured by .

The dimensions of the slabs, deviations from the straightness and flatness of the surfaces of the slabs, the width of the opening of technological cracks, the sizes of cavities, sagging and near concrete slabs should be determined by the methods established .

3.10. The dimensions and position of reinforcement and embedded products, as well as the thickness of the concrete cover to the reinforcement should be determined according to ... In the absence of the necessary instruments, cutting of grooves and exposure of slab reinforcement with subsequent sealing of grooves is allowed. Furrows should be punched at a distance from the ends not exceeding 0.25 of the slab length.

4. TRANSPORTATION AND STORAGE

4.1. Transportation and storage of plates - by and this standard.

4.2. Plates should be transported and stored in stacks in a horizontal position.

On specialized vehicles, it is allowed to transport slabs in an inclined or vertical position.

4.3. The height of the slabs stack should not exceed 2.5 m.

4.4. Spacers for the bottom row of plates and spacers between them in a stack should be placed near the mounting hinges.

1 LIST OF SIZES AND SERIES OF WORKING DRAWINGS FOR MASS APPLICATION PLATES

Table 4

Plate size	Designation of a series of working drawings of plates






	1.241-1; 1.090.1-1; 1.090.1-2s; 1.090.1-3pw; 1.090.1-5s
	1.241-1; 1.090.1-1; 1.090.1-2s; 1.090.1-3pw; 1.090.1-5s






	1.241-1; 1.090.1-1
	1.241-1; 1.090.1-1



	1.141-1; 1.141.1-33s
	1.141-1; 1.141.1-30; 1.141.1-33s
	1.141-1; 1.141.1-33s
	1.141-18s; 1.141.1-25s; 1.141.1-32s


	1.141-1; 1.141.1-33s
	1.141-1; 1.141.1-33s; 1.090.1-2s; 1.090.1-3pw; 1.090.1-5s
	1.141-1; 1.141.1-33s; 1.090.1-2s; 1.090.1-3pw; 1.090.1-5s
	1.141-1; 1.141.1-33s
	1.141-18s; 1.141.1-25s; 1.141.1-32s










	1.141-1; 1.141.1-33s



	1.141-1; 1.141.1-33s
	1.141-1; 1.141.1-33s; 1.141.1-30
	1.141-1; 1.141.1-33s
	1.141-1; 1.141.1-33s
	1.141-1; 1.141.1-33s
	1.141.1; 1.141.1-33s; 1.141.1-30
	1.141-1; 1.141.1-33s
	1.141-1; 1.141.1-33s
	1.141-18s; 1.141.1-25s; 1.141.1-32s

















	1.141-1; 1.090.1-1; 1.090.1-2s; 1.090.1-3pw; 1.090.1-5s
	1.141-1; 1.090.1-1; 1.090.1-2s; 1.090.1-3pw; 1.090.1-5s

	1.141.1-28s; 1.141.1-29s







	1.141-1; 1.090.1-1; 1.090.1-2s; 1.090.1-3pw; 1.090.1-5s
	1.141-1; 1.090.1-1; 1.090.1-2s; 1.090.1-3pw; 1.090.1-5s

	1.141.1-28s; 1.141.1-29s




	141; E-600; E-600IV; E600II TsNIIEP dwellings












	135 KB for reinforced concrete them. A.A. Yakusheva










	86-3191 / 1 TsNIIEP of retail and household buildings and tourist complexes






	86-3191 / 1 TsNIIEP of retail and household buildings and tourist complexes




	86-3191 / 1 TsNIIEP of retail and household buildings and tourist complexes





















Plate type		Reduced plate thickness, m	Average density of concrete slab, kg / m 3	Slab length, m	Characteristics of buildings (structures)
			Up to 7.2 incl.	Residential buildings in which the required sound insulation of residential premises is provided by the device of hollow, floating, hollow-free layered floors, as well as single-layer floors along a leveling screed


			Up to 9.0 incl.
			Up to 7.2 incl.	Residential buildings in which the required sound insulation of residential premises is provided by the installation of single-layer floors


			Up to 6.3 incl.	Residential large-panel buildings of the 135 series, in which the required sound insulation of the premises is provided by the installation of single-layer floors


			Up to 9.0 incl.	Public and industrial buildings (structures)
			Up to 12.0 incl.


			Up to 7.2 incl.	Residential buildings of low-rise and manor type

ATTACHMENT 3

Reference

TERMS USED IN THE APPENDIX , AND THEIR EXPLANATIONS

Table 6

Term	Explanation
Single layer floor	Floor consisting of a coating (linoleum on a heat and sound insulating base), laid directly on floor slabs or on a leveling screed
Single-layer floor on a leveling screed	Floor consisting of a covering (linoleum on a heat and sound insulating base) laid on a leveling screed
Hollow floor	Floor, consisting of a hard covering on logs and soundproofing pads, laid on floor slabs
Voidless laminated floor	A floor consisting of a hard surface and a thin acoustic layer, laid directly on the floor slabs or on the leveling screed
Floating floor	A floor consisting of a covering, a rigid base in the form of a monolithic or prefabricated screed and a continuous sound-insulating layer of resilient-soft or loose materials, laid on floor slabs

INFORMATION DATA

1. DEVELOPED AND INTRODUCED by the State Committee for Architecture and Urban Planning under the USSR Gosstroy (Goskomarkhitektury) and the Central Scientific Research and Design and Experimental Institute of Industrial Buildings and Structures (TsNIIpromzdanij) of the USSR Gosstroy

DEVELOPERS

L.S. Exler; A.A. Muzyko (topic leaders); I.I. Podguzova; A.A. Tuchnin, Cand. tech. sciences; E.N. Kodysh, Cand. tech. sciences; I.B. Baranova; V.G. Kramar, Cand. tech. sciences; G.I. Berdichevsky, Dr. Tech. sciences; V.L. Morozensky, Cand. tech. sciences; Yu.Ts. Hodosh; B.V. Karabanov, Cand. tech. sciences; V.V. Sedov; E.L. Shakhova; B.N. Petrov; I. 3. Guilman; G.V. Turmanidze; ON. Kapanadze; B.V. Kroshkov; IN AND. Pimenova; IN AND. Denshikov

2. APPROVED AND INTRODUCED INTO EFFECT by the Decree of the State Committee of the USSR for Construction and Investments of 20.09.91 No. 5

3. REPLACE GOST 9561-76 and GOST 26434-85 in terms of types, basic dimensions and parameters of hollow-core slabs

4. REFERENCE REGULATORY AND TECHNICAL DOCUMENTS

	Item number
GOST 5781-82
GOST 6727-80
GOST 7348-81
GOST 8829-85

GOST 10180-90


GOST 10884-81
GOST 10922-90
GOST 12730.0-78


GOST 13015.0-83
GOST 13015.1-81
GOST 13015.2-81
GOST 13015.4-84

GOST 17623-87

GOST 17625-83

GOST 22362-77
GOST 22690-88
GOST 22904-78
GOST 23009-78
GOST 23858-79

GOST 25697-83

GOST 26134-84
GOST 26433.0-85
GOST 26433.1-89
-85
TU 14-4-1322-89

Directory of GOSTs, TU, standards, norms and rules. SNiP, SanPiN, certification, technical conditions

UNIONANDSSR

Reinforced concrete floor slabs

MULTI-VACUUM FOR BUILDINGS

AND STRUCTURES

TECHNICAL CONDITIONS

GOST 9561-91

Ofdofficial

STATE COMUSSR CONSTRUCTION LETTER

AND ININEATINGANDCANDYAM

GOSUDANDRFROMTINENNATHE STANDARD OF THE UNION SSR

PE PLATESREKRYTIY REINFORCED CONCRETE

MULTI-VACUUM FOR BUILDINGS AND

CONSTRUCTIONHII GOST

Techniceuconditions 9561- 91

Reinforced concrete multihollow panels

for floors in buildings. Specifications

___________________________________________________________

Date of introduction 01.01.92

This standard applies to hollow-core reinforced concrete slabs (hereinafter referred to as slabs) made of heavy, light and dense silicate concrete and intended for the bearing part of the floors of buildings and structures for various purposes.

Plates are used in accordance with the instructions of the working drawings of the plates and additional requirements specified when ordering these structures.

1. Technical requirements

1.1. Plates should be manufactured in accordance with the requirements of this standard and the technological documentation approved by the manufacturer, according to working drawings of typical structures (see Appendix 1) or projects of buildings (structures).

1.2. Basic parameters and dimensions

1.2.1. Plates are divided into types:

1PK - 220 mm thick with round voids with a diameter of 159 mm. designed to be supported on both sides;

1PKT - the same, for supporting on three sides;

1PCK - the same, for support on four sides;

2PK - 220 mm thick with round voids with a diameter of 140 mm, designed to be supported on both sides;

2PKT - the same, for support on three sides;

2PCK - the same for supporting on four sides;

3PK - 220 mm thick with round voids with a diameter of 127 mm, designed to be supported on both sides;

3PKT - the same, for support on three sides;

3PCK - the same, for support on four sides;

4PK - 260 mm thick with round voids with a diameter of 159 mm and cutouts in the upper zone along the contour, intended for support on both sides;

5PK - 260 mm thick with round voids with a diameter of 180 mm, designed to be supported on both sides;

6PK - 300 mm thick with round voids with a diameter of 203 mm, designed to be supported on both sides;

7PK - 160 mm thick with round voids with a diameter of 114 mm, designed to be supported on both sides;

PG - 260 mm thick with pear-shaped voids, designed to be supported on both sides;

PB - 220 mm thick, manufactured by continuous molding on long benches and designed to be supported on both sides.

1.2.2. The shape and coordination length and width of the slabs (except for slabs of the PB type) must correspond to those given in Table 1 and hell. 1-3. For buildings (structures) with a design seismicity of 7 points or more, it is allowed to make slabs with a shape that differs from that indicated in the drawing. 1-3.

1.2.3. The structural length and width of the slabs (except for slabs of the PB type) should be taken equal to the corresponding coordination size (Table 1), reduced by the value and 1 (gap between adjacent slabs) or and 2 (the distance between adjacent slabs in the presence of a separating element between them, for example, an antiseismic belt, ventilation ducts, crossbar ribs), or increased by and 3 (for example, for slabs supported on the entire thickness of the staircase walls of buildings with transverse load-bearing walls). The values and 1 , and 2 and and 3 , are given in table. 2.

1.24. The shape and dimensions of plates of the PB type must correspond to the established working drawings of the plates, developed in accordance with the parameters of the molding equipment of the manufacturer of these plates.

Table 1

	Drawing number	Coordination dimensions of the slab, mm
slabs	slabs	Length	Width
		From 2400 to 6600 incl. with an interval of 300, 7200, 7500	1000, 1200, 1500, 1800, 2400, 3000, 3600
			1000, 1200, 1500
		3600 to 6600 incl. with an interval of 300, 7200, 7500
		From 2400 to 3600 incl. with an interval of 300	From 4800 to 6600 incl. with an interval of 300, 7200
		From 2400 to 6600 incl. with an interval of 300, 7200, 9000	1000, 1200, 1500
		6000, 9000, 12000	1000, 1200, 1500
			1000, 1200, 1500
		From 3600 to 6300 incl. with an interval of 3000	1000, 1200, 1500, 1800
		6000, 9000, 12000	1000, 1200, 1500

Notenno. The length of the slabs is taken as follows:

the size of the side of the slab not supported by the supporting structures of the building (structure) - for slabs intended to be supported on two or three sides;

the smallest of the dimensions of the slab in plan - for slabs intended to be supported along the contour.

Plates of types 1PC, 2PC, 3PC, 5PC, 6PC, 7PC

Plates of types 1PKT, 2PKT, 3PKT

Plates of types 1PCK, 2PCK, 3PCK

Plate type 4PK

PG type plate

Notes to hell. 1-3

1. Plates of types 1PKT, 2PKT, 3PKT, 1PKK, 2PKK and 3PKK can have technological bevels along all side edges.

2. Methods for strengthening the ends of the plates are shown in Fig. 1-3 as an example. It is allowed to use other reinforcement methods, including reducing the diameter of the voids through one on both supports without sealing the opposite ends of the voids.

3. The dimensions and shape of the groove along the longitudinal upper edge of plates of types 1PKT, 2PKT and 3PKT (Fig. 1b) and along the contour of plates of type 4PK (Fig. 2) are set in the working drawings of the plates.

4. In slabs intended for buildings (structures) with a design seismicity of 7-9 points, extreme voids may be absent due to the need to install embedded products or release reinforcement for connections between slabs, walls, antiseismic belts.

table 2

Scope of plates	Additional dimensions taken into account when determining the structural size of the slab, mm
	length			widthand 1
	and 1	and 2	and 3
Large-panel buildings, including buildings with a design seismicity of 7-9 points Buildings (structures) with walls made of bricks, stones and blocks, with the exception of buildings (structures) with a design seismicity of 7-9 points Buildings (structures) with walls made of bricks, stones and blocks with a design seismicity of 7-9 points Frame buildings (structures), including buildings (structures) with a design seismicity of 7-9 points				10 - for slabs with coordination width less than 2400.20 - for slabs with coordination width 2400 and more

1.2.5. Voids in slabs intended to be supported on two or three sides should be parallel to the direction in which the length of the slabs is determined. In slabs designed to be supported on four sides, voids should be placed parallel to either side of the slab outline.

The nominal distance between the centers of the voids in the slabs (with the exception of slabs of types PG and PB) should be taken at least, mm:

185 - in plates of types 1PK, 1PKT, 1PKK, 2PK, 2PKT, 2PKK, 3PK, 3PKT, 3PKK and 4PK;

235 - in plates of 5PK type;

233 "" "6PC;

139 7PK.

The distance between the centers of the voids of slabs of types PG and PB is assigned in accordance with the parameters of the molding equipment of the manufacturer of these slabs.

1.2.6. The slabs should be made with grooves or grooves on the side edges to form intermittent or continuous dowels after monolithing, ensuring the joint work of the floor slabs in shear in the horizontal and vertical directions.

1.2.7. Plates designed to be supported on two or three sides should be pre-stressed. Slabs 220 mm thick, less than 4780 mm long, with voids with diameters of 159 and 140 mm and slabs 260 mm thick, less than 5680 mm long, as well as plates 220 mm thick, of any length, with voids with a diameter of 127 mm, can be made with non-tensioned reinforcement.

1.2.8. Plates should be made with reinforced ends. Strengthening of the ends is achieved by reducing the cross-section of the voids on the supports or filling the voids with concrete or concrete inserts (Fig. 1-3). With a design load on the ends of the slabs in the zone of support of the walls, not exceeding 1.67 MPa (17 kgf / cm 2), it is allowed, upon agreement between the manufacturer and the consumer, to supply slabs with unreinforced ends.

Reinforcement methods and minimum dimensions of the fittings are set in the working drawings or indicated when ordering plates.

1.2.9. In the cases provided for by the working drawings of a specific building (structure), slabs may have embedded products, reinforcement outlets, local cutouts, holes and other additional structural details.

1.2.10. For lifting and installation of slabs, mounting loops or special gripping devices are used, the design of which is set by the manufacturer in agreement with the consumer and the design organization - the author of the building (structure) project. The location and dimensions of the holes in the plates provided for loopless mounting are taken according to the drawings included in the design documentation of the gripper for these plates.

1.2.11. The indicators of the consumption of concrete and steel on the slabs must correspond to those indicated in the working drawings of these slabs, taking into account possible clarifications made by the design organization in the prescribed manner.

1.2.12. Plates are used taking into account their fire resistance limit specified in the working drawings of the plates.

1.2.13. Plates are designated by brands in accordance with the requirements of GOST 23009. The brand of the plate consists of alphanumeric groups, separated by hyphens.

In the first group, indicate the designation of the type of slab, the length and width of the slab in decimeters, the values \u200b\u200bof which are rounded to an integer.

The second group indicates:

the calculated load on the slab in kilopascals (kilogram-force per square meter) or the serial number of the slab in terms of bearing capacity;

prestressing steel class (for prestressed slabs);

concrete type (L - lightweight concrete, C - dense silicate concrete; heavy concrete is not indicated).

Etcandmeasures conditionalandi (grade) slabs of type 1PK 6280 mm long, 1490 mm wide, designed for a design load of 6 kPa, made of lightweight concrete with prestressing reinforcement of class At-V.

The division of building levels is done in several ways, differing in the materials used (structural elements) and technologies. Since the floors account for most of the loads, and the most different, the concept of strength (reliability) for these parts of structures comes to the fore. With this in mind, slabs are most often used in the construction industry. One of their varieties - hollow-hollow products - will be discussed. TU for this type of product, its characteristics and basic recommendations for use are given in GOST No. 9561 - 1991.

Samples are reinforced concrete boxes with the correct geometry (linear dimensions are reflected in GOST) of various thicknesses. These parameters determine the main characteristics of a single slab. The floors arranged with their help are considered one of the most reliable.

The presence of cavities increases the resistance to bending (kinking).
The design allows you to lay some utilities directly in the floors. A striking example is electrical wiring.
The weight of variants with internal cavities is significantly less than that of monolithic counterparts of the same size and thickness. This feature somewhat reduces the requirements for the basis on which they fit. The minimum width of the walls intended for the installation of slabs is as follows (in cm): concrete - 7, brick - 15.
The use of prefabricated reinforced concrete products significantly reduces the construction time. This is especially noticeable when erecting multi-storey buildings.
The price of hollow cores is lower than that of solid counterparts.

Cons of plates

The disadvantages are rather arbitrary, since they mainly relate to some inconveniences in application for the private sector.

1. When installing hollow core panels (considering their weight) a crane is required. This means, firstly, the additional costs of renting it. But if you calculate the costs of arranging monolithic floors on your own using other technologies, then they are unlikely to be less in aggregate. Secondly, the crane will need some free sector, since the slab needs to be lifted, moved (along the radius), and laid.

2. Restriction in application. Partially noted due to weight. IN low-rise construction the most popular materials are wood and cellular concrete. In the first case, the installation of reinforced concrete slabs is excluded, as well as for frame structures. In the second, it is necessary to choose the correct series of products and reinforce the entire structure (mount an armored belt). Therefore, in order to determine the feasibility of using hollow panels, it will be necessary to calculate the final price of the device of such floors. And do not forget to take into account the time factor (for all additional technological operations).

General specifications

Correct geometry. With such an overlap, the subfloor practically does not require additional leveling.
Exact dimensions of hollow-core panels. This feature greatly facilitates the design process.
Moisture, fire resistance, resistance to fungus and biological pests.
A significant plus is an increase in noise and thermal insulation of premises. This is due to the presence of air in the cavities of concrete products, which dampens sounds well and at the same time is a kind of additional "insulation".
Weight (kg): 700 to 4,200.
Reinforced concrete floor dimensions (mm): length 2,400 - 12,000; width 1 000 - 3 600. For 1 PAC - 3 PAC - from 4 800 to 7 200.
Thickness (mm) - 220.
Maximum load (kg / m2) - up to 850 (calculated individually). Although on order, it can be much larger.

Marking of hollow-core reinforced concrete floor slabs

By position - from left to right.

I. First.

Numbers from 1 to 7 - void diameter in mm.

1 - 159. The unit is often not indicated. Therefore, the name is PC.
2 – 140.
3 – 127.

Thickness (mm) - 220.

4 - Products in this series have a characteristic cutout along the perimeter (in the upper zone).
5 – 180.

Thickness - 260.

6 – 203 (300).
7 – 114 (160).

All these slabs are with round voids, supported on 2 sides.

II. Second.

PC - with round voids.
PG - the same, with pear-shaped cavities. The standard thickness is 260.
PB is a feature of this series in production technology (continuous molding). Sample thickness - 220.

The letter after the PC abbreviation indicates the number of sides to support. T - 3, K - 4.

III. Third.

Numerical expression of the linear dimensions of concrete products in dm - length + width. All values \u200b\u200bare rounded. For example, with a sample length of 6 280 mm, 63 is indicated in the designation. The same with a width of 1 490 is written as 15 (1PK63.15).

IV. Fourth.

Expressed as a number after the linear dimensions. Reflects the bearing capacity (in hundreds of kg / m2). 1PK63.15-6 means that the plate can withstand up to 600 kg / m2.

All other symbols are not dimensioned. They reflect the design features of the product.

A - type of reinforcement (for example, stressed). AtV - 5th grade.
The next letter in the marking characterizes the concrete. L - light, S - medium, T - heavy.
The seismic resistance of concrete goods can also be indicated. For example, C6 - up to 6 points.

All detailed information on the product is stated in its certificate.

Scope of application of hollow-core floor slabs

Industrial and civil construction.
In the private sector for the organization of a secure partition between the basement and 1st floors of the house. At the same time, they are the rough floor of the latter.
In low-rise construction, in the construction of buildings with 2 - 3 floors.
As overlaps for the arrangement of pitched roofs of various auxiliary structures - a garage, a barn, and so on.
Organization of various sites in the adjoining (suburban) territory. For example, a parking space for a car. 1-2 slabs are enough.
Arrangement of the foundation: for a multi-chamber septic tank, overall gazebo.
Solid fences.

The cost

All price tags in the price lists refer to only one series of plates - PC. It is they who are mainly used for various floors.

Dimensions, mm			Weight, kg	Retail price, rub / unit
Length	Width	Thickness	Weight, kg	Retail price, rub / unit
2 400	1 200	220	800	3 020
2 800			1 000	3 530
3 000			1 100	3 750
4 000			1 430	5 080
5 000			1 780	6 260
2 400	1 000		750	2 540
2 700			830	2 760
3 000			920	3 140
3 400			1 030	3 590
3 800			1 130	4 080
4 200			1 260	4 460
5 400			1 600	5 510
6 000			1 783	5 770
7 200			2 150	9 650

* Data are approximate, for Moscow and the capital region.

** Estimated load for concrete products specified in the table - 800 kg / m2.

Transportation significantly increases the final cost. That is why factories practically do not send plates to other regions (only to order), but try to sell them on the spot. Before scheduling any work, you should familiarize yourself with the range of floor products from local manufacturers.